The predetermined overhead rate ($18.50 per direct labor hour) is based on an expected volume of 75% of the factory's capacity of 20,000 units per month. Following are the company's budgeted overhead costs per month at the 75% capacity level. Overhead Budget (75% Capacity) Variable overhead costs Indirect materials Indirect labor Power Repairs and maintenance 45,000 180,000 45,000 90,000 Total variable overhead costs $360,000 Fixed overhead costs Depreciation-building Depreciation-machinery Taxes and insurance Supervision 24,000 80,000 12,00 79,000 Total fixed overhead costs 195,000